A-Tech 8GB Module for Lenovo G50-80 Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS278415B12351X1) at Amazon.com
5b20h14388 Mainboard For Lenovo G50-70 G50-80 Laptop Motherboard Aclu3/aclu4 Uma Nm-a362 With I7-5500u Ddr3 100% Test Working - Laptop Motherboard - AliExpress
A-Tech 4GB Module for Lenovo G50-80 Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS278415B12034X1) at Amazon.com
Lenovo G50-80 RAM Upgrade Tutorial (I have added 8GB RAM in addition to 4GB default RAM) - YouTube
Lenovo G50 30 G50 70 How to upgrade ram and harddrive - YouTube